{"id":"CVE-2026-6860","details":"A TCP client can perform a TLS handshake and present the server name extension with a server name that is accepted by a server wildcard name, e.g. if the server is configured with a certificate accepting *.example.com, any XYZ.example.com where xyz is a valid name can be used.","aliases":["GHSA-3g76-f9xq-8vp6"],"modified":"2026-07-15T01:48:52.336906208Z","published":"2026-05-06T09:55:12.531Z","related":["CGA-2q6f-ghc5-4j7v"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6860.json","cna_assigner":"eclipse"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6860.json"},{"type":"ADVISORY","url":"https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-3g76-f9xq-8vp6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6860"},{"type":"REPORT","url":"https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/381"},{"type":"FIX","url":"https://github.com/eclipse-vertx/vert.x/pull/6102"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-vertx/vert.x","events":[{"introduced":"574499e110ec3a561be9338ebcb39518eaf720e6"},{"last_affected":"1751afbb48a695421d9547e78ee868f350e5461f"},{"introduced":"6feb3f329729d6c78f6544b542b1668a3e9f6704"},{"last_affected":"17daa03e93011f338d207db41fd6aefd6b63add0"}],"database_specific":{"cpe":"cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.3.4"},{"last_affected":"4.5.26"},{"introduced":"5.0.0"},{"last_affected":"5.0.11"}],"source":"CPE_RANGE"}},{"type":"GIT","repo":"https://github.com/vert-x3/vertx-web","events":[{"introduced":"6aa82666abe2f912146467989401a81d9999259d"},{"last_affected":"143b384014e5781abb259b1f3ccab06a07217afc"},{"introduced":"a62720242d2f515969aa34dd185d870b846be5e1"},{"last_affected":"177f6f3e7d5efc6500333f24372e3834465a988a"}],"database_specific":{"cpe":"cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.3.4"},{"last_affected":"4.5.26"},{"introduced":"5.0.0"},{"last_affected":"5.0.11"}],"source":"CPE_RANGE"}}],"versions":["5.0.11","5.0.10","4.5.26","5.0.9","5.0.8","4.5.25","4.5.24","5.0.7","5.0.6","4.5.23","5.0.5","4.5.22","5.0.4","4.5.21","4.5.20","4.5.19","5.0.3","4.5.18","4.5.17","5.0.2","5.0.1","4.5.16","4.5.15","5.0.0","4.5.14","4.5.13","4.5.12","4.5.11","4.5.10","4.5.9","4.5.8","4.5.7","4.5.6","4.5.5","4.5.4","4.5.3","4.5.2","4.5.1","4.5.0","4.4.5","4.4.4","4.4.3","4.4.2","4.4.1","4.4.0","4.3.5","4.3.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6860.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L"}]}